@class NSString; @interface AVAudioMixerNode : AVAudioNode <AVAudioMixing> @property (nonatomic) float outputVolume; @property (readonly, nonatomic) unsigned long long nextAvailableInputBus; @property (nonatomic) float volume; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)init; - (void)inputConnected:(unsigned long long)a0; - (void)setInputVolume:(float)a0 bus:(unsigned long long)a1; - (void)setInputPan:(float)a0 bus:(unsigned long long)a1; - (void)didAttachToEngine:(id)a0; @end